Home / 98,680,133.66-136,179,661.59-54,627,868.13

Finding the Fourth Proportional to 98,680,133.66, 136,179,661.59 and 54,627,868.13

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Solution

The fourth proportional to 98,680,133.66, 136,179,661.59 and 54,627,868.13 is: 75,387,054.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,680,133.66 : 136,179,661.59 = 54,627,868.13 : x
  2. Step 2: Convert to fraction form
    98,680,133.66/136,179,661.59 = 54,627,868.13/x
  3. Step 3: Cross multiply
    98,680,133.66x = 136,179,661.59 × 54,627,868.13
  4. Step 4: Simplify right side
    98,680,133.66x = 7,439,204,594,645,648
  5. Step 5: Solve for x
    x = 7,439,204,594,645,648/98,680,133.66
  6. Step 6: Final answer
    x = 75,387,054.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.